Sun has posted the Call for Participation for CommunityOne East and West. "CommunityOne is a conference sponsored by Sun Microsystems focused on open source innovation and implementation. It brings together developers, technologists and students for technical education and exchange. In 2009, CommunityOne will focus on the free and open platforms, tools and services that can be found powering the Internet, running enterprises, and enabling high-performance computing. We're open to all your ideas but are specifically looking for sessions on cloud computing and virtualization, dynamic languages and scripting (PHP, Ajax, Python, Ruby, JavaScript), databases (MySQL, postgreSQL), web and application servers (GlassFish, Apache), operating systems (OpenSolaris, Linux), mobile development (Java ME, Android, Symbian), and tools (NetBeans, Eclipse, Sun Studio)." CommunityOne East takes place March 18, 2009 in Manhattan. CommunityOne West take splace June 1, 2009 at the Moscone Center in San Francisco Proposals are due by December 11.